LEDA 1001535
Observation
| Spectrum ID | 24637553_sp1 |
|---|---|
| Alt name | g0443157-083618 |
| z | 0.0914 |
| RA, Dec | 70.8155, -8.6051 |
| MJD | 60589.71 |
| SNR/Å B/R | 7.4/14.8 |
| Obs Airmass | 1.10 |
| SMSS ID | 24637553 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.9 ± 0.1 |
| 2MASS Kext | 12.8 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.066 |
| Power law αν | 0.32 ± 0.12 |
| log L5100,AGN | 42.89 ± 0.05 |
| log HβBr/[O III] | 0.53 ± 0.25 |
| log ML5100/M☉ | 6.57 ± 0.04 |
| log MHα/M☉ | 5.95 ± 0.07 |
| log MHβ/M☉ | 6.39 ± 0.08 |
| log M[O III]/M☉ | 6.25 ± 0.12 |
Spatial extraction & sky subtraction region
Spaxel scale: 1 arcsec² — Flux units: erg s⁻¹ cm⁻² Å⁻¹
Apertures: object (solid), background (dashed)
Spectrum decomposition
Emission line measurements
| Line | log L (erg s⁻¹) | FWHM (km s⁻¹) | σ (km s⁻¹) | EW (Å) |
|---|---|---|---|---|
| Hγ Narrow | — | — | — | — |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.78 ± 0.28 | 122 ± 62 | 50 ± 25 | 2.72 ± 1.08 |
| He II Narrow | 39.37 ± 0.38 | 122 ± 62 | 50 ± 25 | 1.25 ± 1.10 |
| He II Broad | 40.32 ± 0.26 | 1178 ± 62 | 500 ± 25 | 11.15 ± 3.65 |
| Hβ Narrow | 39.66 ± 0.36 | — | 251 ± 26 | 2.71 ± 1.70 |
| Hβ Broad | 40.70 ± 0.15 | 1178 ± 25 | 338 ± 25 | 26.98 ± 3.84 |
| [O III] 5007 | 40.17 ± 0.20 | — | 251 ± 26 | 9.09 ± 2.06 |
| He I Narrow | 39.67 ± 0.29 | 122 ± 62 | 50 ± 25 | 4.21 ± 0.99 |
| He I Broad | 39.93 ± 0.37 | 1178 ± 62 | 500 ± 25 | 7.62 ± 3.70 |
| [O I] 6300 | 39.51 ± 0.31 | 122 ± 62 | 50 ± 25 | 3.44 ± 1.57 |
| Hα Narrow | 39.88 ± 0.13 | 122 ± 62 | 50 ± 25 | 8.84 ± 1.42 |
| Hα Broad | 40.85 ± 0.06 | 1179 ± 62 | 417 ± 25 | 84.24 ± 4.50 |
| [N II] 6585 | 40.16 ± 0.08 | 122 ± 62 | 50 ± 25 | 17.02 ± 1.40 |
| [S II] 6718 | 39.97 ± 0.18 | 122 ± 62 | 50 ± 25 | 11.52 ± 1.76 |
| [S II] 6732 | 39.56 ± 0.35 | 122 ± 62 | 50 ± 25 | 4.52 ± 2.55 |
All narrow line widths are tied to narrow [O III] 5007Å. [O III] 5007Å and narrow Hβ include a second narrow component not tied to other narrow lines.
Emission summary
| Hα Broad SNR | 1.81 |
|---|---|
| Hβ Broad SNR | 1.72 |
| Hγ Broad SNR | 0.98 |
| AGN frac | 0.16 |
| Host frac | 0.83 |
| log L5100,Host | 43.60 |
| Fe II/Hβ | 2.98 |
| Fe II/[O III] | 9.51 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 1 |
balmer_snr | 2 |
hb_width | 1 |
balmer_width | 1 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.